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Finding the Fourth Proportional to 225,494.34, 338,239.08 and 67,716.06

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Solution

The fourth proportional to 225,494.34, 338,239.08 and 67,716.06 is: 101,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,494.34 : 338,239.08 = 67,716.06 : x
  2. Step 2: Convert to fraction form
    225,494.34/338,239.08 = 67,716.06/x
  3. Step 3: Cross multiply
    225,494.34x = 338,239.08 × 67,716.06
  4. Step 4: Simplify right side
    225,494.34x = 22,904,217,835.62
  5. Step 5: Solve for x
    x = 22,904,217,835.62/225,494.34
  6. Step 6: Final answer
    x = 101,573.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.